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<head><meta charset="utf-8"><title>meeting 2021-04-27 · wg-traits · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/index.html">wg-traits</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html">meeting 2021-04-27</a></h3>

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<a name="236398047"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236398047" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236398047">(Apr 27 2021 at 19:53)</a>:</h4>
<p>Howdy <span class="user-group-mention" data-user-group-id="692">@WG-traits</span> <br>
Meeting is 7ish minutes</p>



<a name="236399076"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399076" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399076">(Apr 27 2021 at 20:01)</a>:</h4>
<p>Meeting time <span class="user-group-mention" data-user-group-id="692">@WG-traits</span></p>



<a name="236399105"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399105" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399105">(Apr 27 2021 at 20:01)</a>:</h4>
<p>Who's around?</p>



<a name="236399107"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399107" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399107">(Apr 27 2021 at 20:01)</a>:</h4>
<p>wave</p>



<a name="236399188"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399188" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399188">(Apr 27 2021 at 20:02)</a>:</h4>
<p>Seems a bit empty today</p>



<a name="236399233"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399233" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399233">(Apr 27 2021 at 20:02)</a>:</h4>
<p>It does</p>



<a name="236399245"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399245" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399245">(Apr 27 2021 at 20:02)</a>:</h4>
<p>What's on your mind <span class="user-mention" data-user-id="232957">@Jack Huey</span></p>



<a name="236399260"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399260" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399260">(Apr 27 2021 at 20:02)</a>:</h4>
<p>Agh so much</p>



<a name="236399285"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399285" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399285">(Apr 27 2021 at 20:02)</a>:</h4>
<p>You saw <a href="https://github.com/rust-lang/rust/issues/84622">#84622</a> and <a href="https://github.com/rust-lang/rust/issues/84623">#84623</a></p>



<a name="236399321"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399321" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399321">(Apr 27 2021 at 20:02)</a>:</h4>
<p>Also started to dig into <a href="https://github.com/rust-lang/rust/issues/76826">#76826</a> a bit</p>



<a name="236399367"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399367" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399367">(Apr 27 2021 at 20:03)</a>:</h4>
<p>And trying to push through <a href="https://github.com/rust-lang/rust/issues/82272">#82272</a></p>



<a name="236399396"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399396" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399396">(Apr 27 2021 at 20:03)</a>:</h4>
<p>(that's waiting on perf)</p>



<a name="236399440"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399440" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399440">(Apr 27 2021 at 20:03)</a>:</h4>
<p>heh</p>



<a name="236399476"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399476" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399476">(Apr 27 2021 at 20:03)</a>:</h4>
<p>this week has been beating up on me a bit, but maybe I should just use this time to review those?</p>



<a name="236399480"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399480" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399480">(Apr 27 2021 at 20:03)</a>:</h4>
<p>There's also <a href="https://github.com/rust-lang/rust/issues/83737">#83737</a> which I need some guidance on</p>



<a name="236399530"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399530" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399530">(Apr 27 2021 at 20:04)</a>:</h4>
<p>I've been working on investiating various impl trait things</p>



<a name="236399590"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399590" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399590">(Apr 27 2021 at 20:04)</a>:</h4>
<p><span class="user-mention silent" data-user-id="232957">Jack Huey</span> <a href="#narrow/stream/144729-wg-traits/topic/meeting.202021-04-27/near/236399480">said</a>:</p>
<blockquote>
<p>There's also <a href="https://github.com/rust-lang/rust/issues/83737">#83737</a> which I need some guidance on</p>
</blockquote>
<p>want to talk about this a bit?</p>



<a name="236399594"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399594" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399594">(Apr 27 2021 at 20:04)</a>:</h4>
<p>So, definitely look at <a href="https://github.com/rust-lang/rust/issues/84622">#84622</a>. Very small and easy to review.</p>



<a name="236399644"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399644" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399644">(Apr 27 2021 at 20:04)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/84623">#84623</a> don't worry about until blockers are closed (though it's also straightforward)</p>



<a name="236399718"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399718" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399718">(Apr 27 2021 at 20:05)</a>:</h4>
<p><a href="https://github.com/rust-lang/rust/issues/82272">#82272</a> is assigned to <span class="user-mention" data-user-id="119031">@Esteban Küber</span>; hopefully they'll be able to look at it once perf looks good</p>



<a name="236399724"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399724" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399724">(Apr 27 2021 at 20:05)</a>:</h4>
<p><span class="user-mention silent" data-user-id="232957">Jack Huey</span> <a href="#narrow/stream/144729-wg-traits/topic/meeting.202021-04-27/near/236399594">said</a>:</p>
<blockquote>
<p>So, definitely look at <a href="https://github.com/rust-lang/rust/issues/84622">#84622</a>. Very small and easy to review.</p>
</blockquote>
<p>r+'d</p>



<a name="236399770"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399770" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399770">(Apr 27 2021 at 20:05)</a>:</h4>
<p><span class="user-mention silent" data-user-id="232957">Jack Huey</span> <a href="#narrow/stream/144729-wg-traits/topic/meeting.202021-04-27/near/236399718">said</a>:</p>
<blockquote>
<p><a href="https://github.com/rust-lang/rust/issues/82272">#82272</a> is assigned to <span class="user-mention silent" data-user-id="119031">Esteban Küber</span>; hopefully they'll be able to look at it once perf looks good</p>
</blockquote>
<p>I could plausibly review this</p>



<a name="236399842"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399842" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399842">(Apr 27 2021 at 20:06)</a>:</h4>
<p>oh dang, it's longer than I thought :)</p>



<a name="236399847"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399847" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399847">(Apr 27 2021 at 20:06)</a>:</h4>
<p>Up to you. It's a lot of a diagnostics code</p>



<a name="236399856"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399856" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399856">(Apr 27 2021 at 20:06)</a>:</h4>
<p>yeah, no, I'd rather not :P</p>



<a name="236399870"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399870" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399870">(Apr 27 2021 at 20:06)</a>:</h4>
<p>:D</p>



<a name="236399892"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236399892" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236399892">(Apr 27 2021 at 20:06)</a>:</h4>
<p>well, I guess the diff is mostly in tests</p>



<a name="236558271"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236558271" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> marmeladema <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236558271">(Apr 28 2021 at 18:46)</a>:</h4>
<p>By the way, <a href="https://github.com/rust-lang/rust/pull/84623">https://github.com/rust-lang/rust/pull/84623</a> is not blocked anymore :)</p>



<a name="236562074"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236562074" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Jack Huey <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236562074">(Apr 28 2021 at 19:11)</a>:</h4>
<p>Yes, it's still blocked on the diagnostics PR</p>



<a name="236564645"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/144729-wg-traits/topic/meeting%202021-04-27/near/236564645" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> marmeladema <a href="https://rust-lang.github.io/zulip_archive/stream/144729-wg-traits/topic/meeting.202021-04-27.html#236564645">(Apr 28 2021 at 19:29)</a>:</h4>
<p>Oh yeah I am so dumb :/ I think I got too enthusiastic about GAT^^</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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